MCQ
Crypts of Leiberkuhn secrete:
- ATrypsin.
- ✓Intestinal juice.
- CMucus.
- DHydrochloric acid.
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$R-$ One $NADH_2$ and $2$ $FADH_2$ are helpful in the formation of $34\, ATP$ molecules.

| Column $I$ | Column $II$ |
| ($a$) Smooth endoplasmic reticulum | ($i$) Protein synthesis |
| ($b$) Rough endoplasmic reticulum | ($ii$) Lipid synthesis |
| ($c$) Golgi complex | ($iii$) Glycosylation |
| ($d$) Centriole | ($iv$) Spindle formation |